參數(shù)資料
型號(hào)： DSP56855BUE
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 16-bit Digital Signal Controllers
中文描述： 16位數(shù)字信號(hào)控制器
文件頁數(shù)： 4/52頁
文件大小： 618K
代理商： DSP56855BUE
56855 Technical Data, Rev. 6
4
Freescale Semiconductor
Part 1 Overview
1.1 56855 Features
1.1.1
Core
Efficient 16-bit engine with dual Harvard architecture
120 Million Instructions Per Second (MIPS) at 120MHz core frequency
Single-cycle 16
×
16-bit parallel Multiplier-Accumulator (MAC)
Four (4) 36-bit accumulators including extension bits
16-bit bidirectional shifter
Parallel instruction set with unique DSP addressing modes
Hardware DO and REP loops
Three (3) internal address buses and one (1) external address bus
Four (4) internal data buses and one (1) external data bus
Instruction set supports both DSP and controller functions
Four (4) hardware interrupt levels
Five (5) software interrupt levels
Controller-style addressing modes and instructions for compact code
Efficient C Compiler and local variable support
Software subroutine and interrupt stack with depth limited only by memory
JTAG/Enhanced OnCE debug programming interface
1.1.2
Memory
Harvard architecture permits up to three (3) simultaneous accesses to program and data memory
On-Chip Memory
— 24K
×
16-bit Program SRAM
— 24K
×
16-bit Data SRAM
— 1K
×
16-bit Boot ROM
Off-Chip Memory Expansion (EMI)
— Access up to 2M words of program memory or 8M words of data memory
— Chip Select Logic for glue-less interface to ROM and SRAM
1.1.3
Peripheral Circuits for 56855
General Purpose 16-bit Quad Timer with 1 external pin*
Two (2) Serial Communication Interfaces (SCI)*
Enhanced Synchronous Serial Interface (ESSI) module*
Computer Operating Properly (COP)/Watchdog Timer
JTAG/Enhanced On-Chip Emulation (EOnCE) for unobtrusive, real-time debugging
相關(guān)PDF資料
PDF描述
DSP56855E 16-bit Digital Signal Controllers
DSP56857BUE 16-bit Digital Signal Controllers
DSP56857E 16-bit Digital Signal Controllers
DSP56858E 16-bit Digital Signal Controllers
DSP56858FV120 16-bit Digital Signal Controllers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP56855E 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56855PB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56855 Digital Signal Processor Product Brief
DSP56856 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Digitial Signal Controller
DSP56857 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:16-bit Digital Signal Controllers
DSP56857BU120 功能描述:數(shù)字信號(hào)處理器和控制器 - DSP, DSC 120Mhz/120MIPS RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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